Fair Value Disclosures (Details 1) (USD $) In Thousands, unless otherwise specified	Oct. 31, 2011	Oct. 31, 2010
Aggregate unpaid principal and fair value of mortgage loans held for sale
Aggregate unpaid principal balance	$ 62,765	$ 92,082
Fair Value	63,175	93,644
Excess	$ 410	$ 1,562

The balance represents the amount of loans that are secured by real estate mortgages, offset by the reserve to cover probable credit losses on the loan portfolio.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 60

-Paragraph 47

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 1

-Subparagraph c

-Article 7

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant